It was because she got sickshe didn't come to the party yesterdayA. whichB. whyC. thatD.

问题补充：

It was because she got sickshe didn come to the party yesterday．

A. which

B. why

C. that

D. how

答案：

A. which

B. why

(答案→)C. that

D. how

解析：考查强调句型。强调句型的基本结构：it is/was被强调成分that/who其它成分；其最大的特点是把it is/was….that/who…去掉，句子仍然成立。本题强调的是原因状语从句because she got sick。句意：正是因为她生病了，她才没有参加昨天的会议。故C正确。